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System Clock Frequency (MHz)

System clock frequency on ARM Cortex-R processors

Model Configuration Pane: Hardware Implementation / Simulink or Embedded Coder Hardware Support Package / Hardware board settings / Target hardware resources / Clocking


The System Clock Frequency (MHz) parameter indicates the frequency of the system clock (HCLK).


The system clock frequency is automatically determined and set from the CPU Clock Frequency (MHz).


150 (default) | 110

The frequency of the system clock (HCLK).


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  1. In the Simulink® Editor, select Simulation > Model Configuration Parameters.

  2. In the Configuration Parameters dialog box, click Hardware Implementation.

  3. Set the Hardware board parameter to TI Hercules RM57Lx Launchpad and click Apply.

    The parameter values under Hardware board settings are automatically populated to their default values.

  4. From the Clocking group, select a System Clock Frequency (MHz) frequency and click Apply.

  5. Click OK to close the dialog box.

Recommended Settings

No recommendation.

Programmatic Use

No programmatic use is available.

Version History

Introduced in R2014b